The announcement of a new interim CEO is no magic bullet for the long-suffering electronics retailer, which has lost more than 80% of its value in the past year.

RadioShack's story is a grim one. Regardless of what it does, the ailing electronics retailer remains radioactive to most investors.

Early Wednesday, RadioShack (ticker: RSH) announced that Chief Executive James Gooch will step down after little more than a year on the job. Chief Financial Officer Dorvin Lively, who has also been at the company...